Improvements on Remote Diffuser-Phosphor-Packaged Light-Emitting Diode Systems

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	Improvements on Remote Diffuser-Phosphor-Packaged Light-Emitting Diode Systems
	Xiao, Hua ; Lu, Yi-Jun ; Shih, Tien-Mo ; Zhu, Li-Hong ; Lin, Si-Qi ; Pagni, Patrick J. ; Chen, Zhong ; Chen Z(陈忠)
刊名	http://dx.doi.org/10.1109/JPHOT.2013.2293612
	2014
关键词	INTERNAL QUANTUM EFFICIENCY EXTRACTION EFFICIENCY WHITE LEDS
英文摘要	By modifying traditional remote phosphor-diffuser-packaged light-emitting diode systems, we have managed to increase the luminous efficacy from 145.7 to 162.3 lm/W. One mechanism responsible for this achievement is associated with randomizing the directions of light beams transmitting through an interior diffuser, whose position is optimized based on an overall merit. The other mechanism is identified as the gradual attenuation of the undesirable blue-ring image along the distance from the diffuser toward the phosphor base. The identification of these two mechanisms is verified by luminous efficacy measurements, 3-D image plots, and combined Monte Carlo algorithm ray tracing simulation results. In addition, merits related to correlated color temperatures and issues pertaining to costs are briefly discussed.
语种	英语
出版者	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/92040]
专题	物理技术－已发表论文
推荐引用方式 GB/T 7714	Xiao, Hua,Lu, Yi-Jun,Shih, Tien-Mo,et al. Improvements on Remote Diffuser-Phosphor-Packaged Light-Emitting Diode Systems[J]. http://dx.doi.org/10.1109/JPHOT.2013.2293612,2014.
APA	Xiao, Hua.,Lu, Yi-Jun.,Shih, Tien-Mo.,Zhu, Li-Hong.,Lin, Si-Qi.,...&陈忠.(2014).Improvements on Remote Diffuser-Phosphor-Packaged Light-Emitting Diode Systems.http://dx.doi.org/10.1109/JPHOT.2013.2293612.
MLA	Xiao, Hua,et al."Improvements on Remote Diffuser-Phosphor-Packaged Light-Emitting Diode Systems".http://dx.doi.org/10.1109/JPHOT.2013.2293612 (2014).